# Definitive Parts List **URL:** \ **Category:** Yo-Yo Mods and Maintenance\ **Created:** [January 23, 2024, 2:49pm UTC](https://forums.yoyoexpert.com/t/definitive-parts-list/392729 "2024-01-23T14:49:45Z")\ **Posts on this page:** 1\ **Showing post:** 31
**Author:** ![Overtinkering](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/overtinkering/32/663225_2.png) [@Overtinkering](https://forums.yoyoexpert.com/u/Overtinkering)\ **Post date:** [July 23, 2026, 1:28pm UTC](https://forums.yoyoexpert.com/t/definitive-parts-list/392729/31 "2026-07-23T13:28:06Z")
Hello - Latest Updates added today _Size -MR85_ _Center Track Blank Rubber Cap/Grease Filled_ _Size -C_ _Teflon Blank_ _GreaseBucket_ Silicone Break Pads - Added _See Something we are missing here - Please add and share it on!_ * * * **BEARINGS** ### **MR85:** · Aluminum - [McMaster-Carr](https://www.mcmaster.com/94669A034/) · Wide - [https://www.returnbottoms.com/product/mr85-extra-thicc-aka-flying-lemon-bearings](https://www.returnbottoms.com/product/mr85-extra-thicc-aka-flying-lemon-bearings) · Grease Filled - [https://www.returnbottoms.com/product/mr85-rubber-shield-bearings](https://www.returnbottoms.com/product/mr85-rubber-shield-bearings) · Center Track - [Non-Bearing - Blank/Fixed - Size MR85 - Centre Track - 1/8" (2.5 mm) w – Zero Gravity Return Tops](https://zgrt.ca/products/bearing-blank-fixed-size-mr85-centre-track-1-8-2-5-mm-width?variant=45142926459030) · Delrin - [Delrin MR85 Blank | Return Bottoms](https://www.returnbottoms.com/product/delrin-mr85-blank) · 3D Print - [https://www.printables.com/model/1148407-mr85-yo-yo-bearing-blank](https://www.printables.com/model/1148407-mr85-yo-yo-bearing-blank) ### **Size A:** · Aluminum - [McMaster-Carr](https://www.mcmaster.com/94669A071/) · Ultem - [Ultem A Bearing Blank | Return Bottoms](https://www.returnbottoms.com/product/ultem-a-bearing-blank) · 3D Print - [https://www.printables.com/model/1148468-yo-yo-bearing-blank-size-a/files](https://www.printables.com/model/1148468-yo-yo-bearing-blank-size-a/files) ### **Size B:** · Bearing - lock kit [Kasm extra parts | Layer Infinity](https://www.layerinfinity.com/product/kasm-bearing-parts-kit) ### **Size C:** #### **Standard** · GreaseBucket - [Greasebucket](https://yoyoexpert.com/products/greasebucket-yoyo-bearing-by-onedrop) · Ultem - [Ultem 3/4 Spec C Bearing Blank | Return Bottoms](https://www.returnbottoms.com/product/ultem-34-spec-bearing-blank) · Aluminum - [Luftverk Fixed Axle Bearing Blank](https://yoyoexpert.com/products/luftverk-fixed-axle-bearing-blank) · Aluminum - [McMaster-Carr](https://www.mcmaster.com/92510A761/) #### **Narrow (half-spec)** · Aluminum: [McMaster-Carr](https://www.mcmaster.com/92510A760/) · Ultem: [Delrin Half Spec C Blank | Return Bottoms](https://www.returnbottoms.com/product/half-spec-c-delrin-bearing-blank) #### **Three Quarter Spec** · 3D Print - [https://www.printables.com/model/1148520-yo-yo-bearing-blank-size-c-three-quarter-spec](https://www.printables.com/model/1148520-yo-yo-bearing-blank-size-c-three-quarter-spec) · Center Track - [Non-Bearing - Blank/Fixed - Size C - Centre Track - 1/8" (3.15 mm) wid – Zero Gravity Return Tops](https://zgrt.ca/products/fixed-c-bearing-1-8-3-15-mm-wide?variant=43326302716054) · Teflon [Teflon 3/4 Spec C Bearing Blank | Return Bottoms](https://www.returnbottoms.com/product/teflon-34-spec-c-bearing-blank) #### **Size D:** · Delrin: [Delrin 4 mm wide D bearing Blank | Return Bottoms](https://www.returnbottoms.com/product/delrin-4-mm-wide-d-bearing-blank) · Center Track - [Non-Bearing - Blank/Fixed - Size D - Center Track - 3 mm wide – Zero Gravity Return Tops](https://zgrt.ca/products/fixed-d-bearing-3-mm-wide?variant=41575500120214) · Responsive - [Bearing - Responsive - Size D - Flat - 3 mm wide – Zero Gravity Return Tops](https://zgrt.ca/products/responsive-d-bearing-3-mm-wide?variant=41575493861526) ### **Wooden Alternatives:** · Ultem - No Jive Axle - [Ultem No Jive Axle | Return Bottoms](https://www.returnbottoms.com/product/ultem-no-jive-axle) · 3D Print – Proyo - [https://www.printables.com/model/1455374-proyo-axles-v2](https://www.printables.com/model/1455374-proyo-axles-v2) · 3D Print -Spintastics - [https://www.printables.com/model/1518687-spintastics-axle-sleeve](https://www.printables.com/model/1518687-spintastics-axle-sleeve) · 3D Print -TMBR Axle - [The Definitive Guide To TryCatchThrow@'s Replacement TMBR Axles](https://forums.yoyoexpert.com/t/the-definitive-guide-to-trycatchthrow-s-replacement-tmbr-axles/402822) [Yo-Yo Mods and Maintenance](https://forums.yoyoexpert.com/c/yo-yo-modification-and-maintenance/12) ## Alternative Response Pads · Silicone Responsive Break Pads - [Silicone Brake Pads | Return Bottoms](https://www.returnbottoms.com/product/silicone-brake-pads) ## **Tools** _· Throw Key - MR85, A, D & C Bearing Removal Tool -_ [Throw Key – Zero Gravity Return Tops](https://zgrt.ca/products/simplistic-minimalistic-bearing-tool-v2?variant=41833965748374) _· Bearing Flicker -_ [Bearing flicker tool v1.1 | Layer Infinity](https://www.layerinfinity.com/product/bearing-flicker-tool) _----------------------_ ## **Axles** · Size List Reference List - [Common Yoyo Axle Sizes](https://forums.yoyoexpert.com/t/common-yoyo-axle-sizes/18437) · Repair Service - [Stripped YoYo Repair Service](https://forums.yoyoexpert.com/t/stripped-yoyo-repair-service/442610) · Helicoils – M4 - [McMaster-Carr](https://www.mcmaster.com/products/helicoils/thread-pitch%5C~0-7-mm/?s=4mm+x+.7mm+helicoil) · Helicoils – More Sizes to be added as discovered – List ## **Misc Parts** · Wood Worker Kit - [https://www.penblanks.ca/instructions/english/PKYOYOC-Yoyo.pdf](https://www.penblanks.ca/instructions/english/PKYOYOC-Yoyo.pdf) --- _[View the full topic](https://forums.yoyoexpert.com/t/definitive-parts-list/392729)._